 According to Hindu scriptures , the devas and asuras worked together for a millennium to churn the ocean and release Amrita the nectar of immortal life.It is spoken of in the "Samudra manthana" chapter of the Puranas, a body of ancient Hindu legends.It is called as "Thirupaarkadal" in Tamil and is the place where Vishnu reclines over Shesha Naga along with his consort Lakshmi.